Goo B Gone, Formula 409 (bottle states 'Not for use on vinyl'), Murphy's Oil Soap, Simple Green, DC Plus, ArmorAll, Top Kote Sealant, Son-of-a-Gun, Orange 88 Degreaser, Roll-Off, Bleach/Baking Soda, Turtle Wax/Tar Remover (containers state 'Not for use on vinyl'), APCO, Harbor Mate, or other harmful cleaners.
DO NOT use kerosene, gasoline or acetone, as they will remove the protective marine top coat.
DO NOT use any silicone or petroleum based products. They will extract the plasticizers in the vinyl, leave it hard and brittle, and eventually cracking may occur.
DO NOT use a power washer on boat seating upholstery.